diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index 1939337bb..cb52a0704 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -1196,7 +1196,6 @@ private function addSerializerSection(ArrayNodeDefinition $rootNode, callable $e
                         ->end()
                         ->arrayNode('default_context')
                             ->normalizeKeys(false)
-                            ->useAttributeAsKey('name')
                             ->validate()
                                 ->ifTrue(fn () => $this->debug && class_exists(JsonParser::class))
                                 ->then(fn (array $v) => $v + [JsonDecode::DETAILED_ERROR_MESSAGES => true])
diff --git a/DependencyInjection/FrameworkExtension.php b/DependencyInjection/FrameworkExtension.php
index 1c5725335..f585b5bbb 100644
--- a/DependencyInjection/FrameworkExtension.php
+++ b/DependencyInjection/FrameworkExtension.php
@@ -2004,24 +2004,22 @@ private function registerSerializerConfiguration(array $config, ContainerBuilder
             $container->setParameter('serializer.default_context', $defaultContext);
         }
 
-        if (!$container->hasDefinition('serializer.normalizer.object')) {
-            return;
-        }
+        if ($container->hasDefinition('serializer.normalizer.object')) {
+            $arguments = $container->getDefinition('serializer.normalizer.object')->getArguments();
+            $context = $arguments[6] ?? $defaultContext;
 
-        $arguments = $container->getDefinition('serializer.normalizer.object')->getArguments();
-        $context = $arguments[6] ?? $defaultContext;
+            if (isset($config['circular_reference_handler']) && $config['circular_reference_handler']) {
+                $context += ['circular_reference_handler' => new Reference($config['circular_reference_handler'])];
+                $container->getDefinition('serializer.normalizer.object')->setArgument(5, null);
+            }
 
-        if (isset($config['circular_reference_handler']) && $config['circular_reference_handler']) {
-            $context += ['circular_reference_handler' => new Reference($config['circular_reference_handler'])];
-            $container->getDefinition('serializer.normalizer.object')->setArgument(5, null);
-        }
+            if ($config['max_depth_handler'] ?? false) {
+                $context += ['max_depth_handler' => new Reference($config['max_depth_handler'])];
+            }
 
-        if ($config['max_depth_handler'] ?? false) {
-            $context += ['max_depth_handler' => new Reference($config['max_depth_handler'])];
+            $container->getDefinition('serializer.normalizer.object')->setArgument(6, $context);
         }
 
-        $container->getDefinition('serializer.normalizer.object')->setArgument(6, $context);
-
         $container->getDefinition('serializer.normalizer.property')->setArgument(5, $defaultContext);
     }
 
diff --git a/Test/HttpClientAssertionsTrait.php b/Test/HttpClientAssertionsTrait.php
index 20c64608e..01a27ea87 100644
--- a/Test/HttpClientAssertionsTrait.php
+++ b/Test/HttpClientAssertionsTrait.php
@@ -14,10 +14,9 @@
 use Symfony\Bundle\FrameworkBundle\KernelBrowser;
 use Symfony\Component\HttpClient\DataCollector\HttpClientDataCollector;
 
-/*
+/**
  * @author Mathieu Santostefano <msantostefano@protonmail.com>
  */
-
 trait HttpClientAssertionsTrait
 {
     public static function assertHttpClientRequest(string $expectedUrl, string $expectedMethod = 'GET', string|array|null $expectedBody = null, array $expectedHeaders = [], string $httpClientId = 'http_client'): void
diff --git a/Test/NotificationAssertionsTrait.php b/Test/NotificationAssertionsTrait.php
index b68473561..2c4c5467d 100644
--- a/Test/NotificationAssertionsTrait.php
+++ b/Test/NotificationAssertionsTrait.php
@@ -17,7 +17,7 @@
 use Symfony\Component\Notifier\Message\MessageInterface;
 use Symfony\Component\Notifier\Test\Constraint as NotifierConstraint;
 
-/*
+/**
  * @author Smaïne Milianni <smaine.milianni@gmail.com>
  */
 trait NotificationAssertionsTrait